Chantix and Lysine drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Chantix (varenicline tartrate) and Lysine (lysine). Common drug interactions include muscular weakness among females and abnormal dreams among males.

The phase IV clinical study analyzes what interactions people have when they take Chantix and Lysine. It is created by eHealthMe based on reports of 17 people who take the same drugs from the FDA, and is updated regularly.

What is Chantix?

Chantix has active ingredients of varenicline tartrate. It is often used in quit smoking. eHealthMe is studying from 89,889 Chantix users. Check the latest studies of Chantix.

What is Lysine?

Lysine has active ingredients of lysine. It is often used in herpes labialis (oral herpes simplex). eHealthMe is studying from 16,524 Lysine users. Check the latest studies of Lysine.

On Jul, 15, 2026

17 people who take Chantix and Lysine together, and have interactions are studied.

What are the common drug interactions of Chantix and Lysine, by gender? *:

female:

Muscular weakness (muscle weakness)
Myalgia (muscle pain)
Rash macular (small, flat red spots)
Abnormal dreams
Anxiety
Asthenia (weakness)
Back pain
Blood cholesterol increased
Cerebrovascular accident (sudden death of some brain cells due to lack of oxygen when the blood flow to the brain is impaired by blockage or rupture)
Chest pain

male:

Abnormal dreams
Disturbance in attention
Irritability
Tinnitus (a ringing in the ears)

What are the common drug interactions of Chantix and Lysine, by age (0-1 to 60+)? *:

0-1:

Asthenia (weakness)
Decreased appetite
Diarrhoea
Disturbance in attention
Fatigue (feeling of tiredness)
Haematochezia (passage of stools containing blood)
Headache (pain in head)
Nausea (feeling of having an urge to vomit)
Somnolence (a state of near-sleep, a strong desire for sleep)

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

Nausea (feeling of having an urge to vomit)
Dysgeusia (disorder of the sense of taste)
Vertigo
Vomiting

40-49:

Abnormal dreams
Disturbance in attention
Irritability
Surgery
Tinnitus (a ringing in the ears)

50-59:

Fall
Foot fracture
Hypersensitivity
Muscular weakness (muscle weakness)
Myalgia (muscle pain)
Rash macular (small, flat red spots)
Abnormal dreams
Back pain
Chest pain
Cough

60+:

Constipation
Anxiety
Blood cholesterol increased
Drug ineffective
Insomnia (sleeplessness)
Nausea (feeling of having an urge to vomit)
Nightmare (unpleasant dream)
Tooth disorder (tooth disease)
Weight fluctuation
Weight increased

What are the existing conditions these people have? *

Insomnia (sleeplessness): 3 people, 17.65%
Herpes Zoster: 2 people, 11.76%
Stress And Anxiety: 1 person, 5.88%
Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 1 person, 5.88%
Hypersensitivity: 1 person, 5.88%
Herpes Virus Infection: 1 person, 5.88%
Drowsiness: 1 person, 5.88%
Depression: 1 person, 5.88%
Constipation: 1 person, 5.88%
Chronic Obstructive Pulmonary Disease (a progressive disease that makes it hard to breathe): 1 person, 5.88%

* Approximation only. Some reports may have incomplete information.

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